chore: keyword 'div' instead of 'divide'.

rename 'ScannerTest' to 'ScannerTests'.

CanonSharp.Combinator/Abstractions/IParseResult.cs

@@ -40,6 +40,4 @@ public interface IParseResult<TToken, out T>
     /// <returns>最后的解析结果</returns>
     public TResult CaseOf<TResult>(Func<ISuccessfulResult<TToken, T>, TResult> successfulHandler,
         Func<IFailedResult<TToken, T>, TResult> failedHandler);
-
-    public string ToString();
 }